Students attend the fourth live class of the "Tiangong Class" series at Beihang University in Beijing, capital of China, Sept. 21, 2023. The fourth live class from China's space station was held on ...
A round candle flame, a water ping pong ball… The Shenzhou-16 crew on Thursday livestreamed their first science lecture from China's Tiangong space station, also the first ever given from the Mengtian ...
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